<link rel='stylesheet' type='text/css' href='../../css/order.css' />
<form method="post" action="" id="stepbystep">
    <fieldset class="inner">
        <h2 class="fs-title">Введите пароль:</h2>

        <div class="pole">
            <br/>
            <span class="zagol">Пароль:</span>
            <input class="form_input" name="password" type="password">
        </div>
        <input class="button continue" type="button" value="Запомнить">
        <script type="text/javascript">
            $(document).on('click', "input[type=button]", function(){
                $('form').submit();
            })
        </script>
    </fieldset>
</form>